@charset "UTF-8";
.teacher-banner {
  width: 100%;
  height: 430px;
  background-repeat: no-repeat;
  background-position: center;
  background-size:cover;
  background-image: url('../img/teacher/teacher_banner.png');
}
.teacher-assistant {
  background-color: #fff;
}
.container-hd {
  width: 100%;
  height: inherit;
  text-align: center;
  min-height: 1px;
}
.container-hd-title {
  width: 100%;
  color: #6bcc3d;
  font-size: 32px;
  line-height: 2em;
}
.container-hd-subtitle {
  width: 100%;
  color: #666;
  font-size: 18px;
  line-height: 2em;
}
.ta-item {
  display: inline-block;
  float: left;
  width: calc( ( 100% - ( 90px * 4 ) ) / 5);
  min-height: 1px;
}
.ta-item:hover {
  /* box-shadow: 0px 2px 20px 6px #e5e5e5; */
}
.ta-item:nth-child(1):hover .ta-item-icon {
  background-image: url('../img/teacher/practice_select_hlt.png');
}
.ta-item:nth-child(3):hover .ta-item-icon {
  background-image: url('../img/teacher/class_management_hlt.png');
}
.ta-item:nth-child(5):hover .ta-item-icon {
  background-image: url('../img/teacher/online_practice_hlt.png');
}
.ta-item:nth-child(7):hover .ta-item-icon {
  background-image: url('../img/teacher/teach_management_hlt.png');
}
.ta-item:nth-child(9):hover .ta-item-icon {
  background-image: url('../img/teacher/table_monitor_hlt.png');
}

.ta-item-icon {
  width: 100%;
  height: 103px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 103px 103px;
  background-image: url('../img/teacher/practice_select_nml.png');
}
.ta-item:nth-child(1) .ta-item-icon {
  background-image: url('../img/teacher/practice_select_nml.png');
}
.ta-item:nth-child(3) .ta-item-icon {
  background-image: url('../img/teacher/class_management_nml.png');
}
.ta-item:nth-child(5) .ta-item-icon {
  background-image: url('../img/teacher/online_practice_nml.png');
}
.ta-item:nth-child(7) .ta-item-icon {
  background-image: url('../img/teacher/teach_management_nml.png');
}
.ta-item:nth-child(9) .ta-item-icon {
  background-image: url('../img/teacher/table_monitor_nml.png');
}
.ta-item-text {
  text-align: center;
}
.ta-item-title {
  font-size: 20px;
  color: #333;
  line-height: 2em;
}
.ta-item-sub {
  font-size: 16px;
  color: #999;
  line-height: 2em;
}
.ta-arrow {
  display: inline-block;
  float: left;
  width: 90px;
  height: 90px;
  min-height: 1px;
  background-repeat: no-repeat;
  background-position: center;
  /* background-size: 103px 103px; */
  background-image: url('../img/teacher/icon/icon_arrow.png');
}

.online-course-production {
  background-color: #f4f8f4;
}
.online-course-production div {
  min-height: 1px;
}
.ocp-item {
  background-color: #fff;
  border-radius: 4px;
  box-shadow: 0px 2px 10px 2px #e5e5e5;
}
.ocp-item:hover {
  color:#fff;
  background-color: #6bcc3d;
  /* cursor: pointer; */
}
.ocp-item-index {
  font-size: 36px;
  line-height: 1.5em;
  color: #6bcc3d;
}
.ocp-item-index>i {
  /* font-size: 50px; */
  font-size: 36px;
  line-height: 1.5em;
  color: #6bcc3d;
  float: right;
  vertical-align:middle;
}
.ocp-item:hover .ocp-item-index>i {
  color:rgba(255,255,255,0.5);
}
.ocp-item-title {
  font-size: 22px;
  color: #333;
  line-height: 2em;
  font-weight: normal;
}
.ocp-item-sub {
  font-size: 16px;
  color: #999;
  line-height: 2em;
}
.ocp-item-link {
  height: 70px;
  border-left: 1px solid #6bcc3d;
  margin-left: 3px;
}
.ocp-item-tag {
  color: #6bcc3d;
}
.ocp-item-tag>span {
  font-size: 22px;
  line-height: 1em;
  vertical-align: middle;
  margin-right: 5px;
}
.ocp-item:hover div {
  color:#fff;
  background-color: #6bcc3d;

}
.ocp-item:hover div.ocp-item-link {
  color:#fff;
  border-left: 1px solid #fff;

}
/*
.ocp-item {
  border-left: 1px solid #ccc;
}
.ocp-item:nth-child(5) {
  border-right:  1px solid #ccc;
}
.ocp-item-icon {
  width: 100%;
  height: 80px;
  background-repeat: no-repeat;
  background-position: left top;
  background-size: 73px 86px;
  background-image: url('../img/teacher/ocp_01.png');
}
.ocp-item:nth-child(1) .ocp-item-icon {
  background-image: url('../img/teacher/ocp_01.png');
}
.ocp-item:nth-child(2) .ocp-item-icon {
  background-image: url('../img/teacher/ocp_02.png');
}
.ocp-item:nth-child(3) .ocp-item-icon {
  background-image: url('../img/teacher/ocp_03.png');
}
.ocp-item:nth-child(4) .ocp-item-icon {
  background-image: url('../img/teacher/ocp_04.png');
}
.ocp-item:nth-child(5) .ocp-item-icon {
  background-image: url('../img/teacher/ocp_05.png');
}
.ocp-item-title {
  font-size: 24px;
  color: #6bcc3d;
  line-height: 2em;
}
.ocp-item-sub {
  font-size: 16px;
  color: #666;
  line-height: 2em;
}
.ocp-item-arrow {
  width: 100%;
  height: 80px;
  margin-top: 20px;
  background-repeat: no-repeat;
  background-position: left top;
  background-size: 24px 16px;
  background-image: url('../img/teacher/icon/icon_arrow_02.png');
}
.ocp-item-tags {
  display: block;
  min-height: 73px !important;
}
.ocp-item-tag {
  display: inline-block;
  height:26px;
  border: 1px solid #e2f0cc;
  padding-left: 10px;
  padding-right: 10px;
  border-radius: 20px;
  font-size: 14px;
  line-height: 24px;
  background-color: rgba(255,255,255,0);
  color: #6bcc3d;
} */


.customize-monitor-station {
  background-color: #f4f8f4;
  min-height: 100px;
}
.cms-cover {
  display: inline-block;
  float: left;
}
.cms-cover>img {
  width: 550px;
}
.cms-introduce {
  display: inline-block;
  float: left;
}
.cms-text {
  background-repeat: no-repeat;
  background-position: left top;
  background-size:40px 43px;
  background-image: url('../img/teacher/cms_01.png');
}
.cms-text:nth-child(1) {
  background-image: url('../img/teacher/cms_01.png');
}
.cms-text:nth-child(2) {
  background-image: url('../img/teacher/cms_02.png');
}
.cms-text:nth-child(3) {
  background-image: url('../img/teacher/cms_03.png');
}
.cms-text-title {
  font-size: 18px;
  color: #333;
  line-height: 1em;
}
.cms-text-sub {
  font-size: 16px;
  color: #999;
  line-height: 1em;
}

.cooperative-class {
  background-color:  #fff;
}
.cooperative-class .practice {
  background-color: #eee;
}
.page-bd {
  max-height: 488px;
  overflow: hidden;
}
.page-bd:hover .pages {
  animation-play-state:paused;
}
.pages {
  min-width: 1170px;
  width: 2340px;
  margin-left: 0;
  /* animation: ma 20s ease-out infinite alternate; */
}

.pages.one {
  margin-left: 0;
}
.pages.two {
  margin-left: -1170px;
}
.pages.three {
  margin-left: -2340px;
}

.page {
  width: 1170px;
  display: inline-block;
  float: left;
}
.practice-item {
  width: 289.5px;
  height: 244px;
  display: inline-block;
  cursor: pointer;
}
.practice {
  border-top-left-radius:  6px;
  border-top-right-radius:  6px;
  box-shadow: 0px 2px 10px 2px #e5e5e5;
}
.practice-cover {
  border-top-left-radius:  6px;
  border-top-right-radius:  6px;
  height: 150px;
  width: 100%;
  background-repeat: no-repeat;
  background-position: center;
  background-size:contain;
  background-image: url('../img/teacher/cover/class_cover_01.jpg');
}
.practice-info {
  background-color: #fff;
  border-bottom-left-radius:  6px;
  border-bottom-right-radius:  6px;
}
.practice-stat>div {
  display: inline-block;
  color: #969696;
  font-size: 14px;
  line-height: 1em;
  padding-top: 0.5em;
}
.practice-name {
  color: #333;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
  max-height: 2em;
}
.practice-created-date {
  float: right;
}
.page-footer {
  width: 100%;
  text-align: center;
}
.page-tool {
  display: inline-block;
  width: 146px;
  margin: 0 auto;
}
.page-tool>div,.page-tool>div>div {
  display: inline-block;
}
.page-tool>.btn {
  background-color: #e5e5e5;
  color: #fff;
  font-size: 14px;
  width: 30px;
  height:  30px;
  line-height: 15px;
  border-radius: 50%;
  cursor: pointer;
}
.page-num  {
  color: #666;
}
/* .page-tool>.btn>i {
line-height: 14px;
} */

.create-class {
  height: 400px;
}
.create-class-container {
  text-align: center;
  padding-top: 31px;
}
.create-class-title {
  font-size: 36px;
  margin-top: 60px;
  width: 100%;
  text-align: center;
  color: #ffffff;
}
.create-class-small-title {
  font-size: 20px;
  margin-top: 24px;
  width: 100%;
  text-align: center;
  color: #ffffff;
  margin-bottom: 0px;
}
.create-class-btn {
  width: 260px;
    height: 60px;
    font-size: 28px;
  text-align: center;
  background-color: #FFFFFF;
  color: #21c069;
  border: 0px solid #FFFFFF;
  border-radius: 5px;
  margin: 20px auto;
}

.platform-features {
  background-color: #fff;
}
.pf-item {

}
.pf-item-icon {
  height: 54px;
  width: 100%;
  background-repeat: no-repeat;
  background-position: center top;
  background-size:60px 54px;
  background-image: url('../img/teacher/pf-goods.png');
}
.platform-features .col-md-4:nth-child(1) .pf-item-icon {
  background-image: url('../img/teacher/pf-goods.png');
}
.platform-features .col-md-4:nth-child(2) .pf-item-icon {
  background-size:80px 54px;
  background-image: url('../img/teacher/pf-profession.png');
}
.platform-features .col-md-4:nth-child(3) .pf-item-icon {
  background-image: url('../img/teacher/pf-intel.png');
}
.pf-item-title {
  text-align: center;
  font-size: 22px;
  line-height: 2em;
  color: #333;
}
.pf-item-content {
  text-align: center;
  font-size: 16px;
  line-height: 2em;
  color: #999;
}
